A Systematic Review on the Performance Characteristics of Sustainable, Unfired Admixed Soil Blocks for Agricultural and Industrial Waste Management

Table 10

Thermal conductivity of unfired admixed soil blocks as reported in the reviewed articles.

Ref.	Binders/fibers	Binder/fiber content (% range)	Type of equipment used for test (testing standard)	Initial/unstabilized thermal conductivity (W/m K)	Min. thermal conductivity after stabilization (W/m K)	Percentage increase (+)/percentage decrease (−)
[8]	Cement	1–1.5	Equipment not mentioned (JIS R 2618)	1.482	0.651	−56.07
	Sand	1–2.0
	Coconut fiber	0.4–0.8
[22]	Cement	5.0–16.0	Transient hot wire method using QTM-500 (ASTM C1113-99)	0.842	1.076	27.79
[32]	Cement	3.0–9.0	Hot disk apparatus, TPS-2500 S (code not mentioned)	0.91	0.89	−2.20
[38]	Fly ash: Rice husk ash	100 : 0–0 : 100	Direct measuring instrument with surface probe ISOMET2114 (code not mentioned)	1.9524	1.5366	−21.30